6636003121099 has 32 divisors (see below), whose sum is σ = 7570288615680. Its totient is φ = 5761518000000.

The previous prime is 6636003121093. The next prime is 6636003121103. The reversal of 6636003121099 is 9901213006366.

It is a cyclic number.

It is not a de Polignac number, because 6636003121099 - 2⁹ = 6636003120587 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6636003121093) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 33764184 + ... + 33960154.

It is an arithmetic number, because the mean of its divisors is an integer number (236571519240).

Almost surely, 2^{6636003121099} is an apocalyptic number.

6636003121099 is a deficient number, since it is larger than the sum of its proper divisors (934285494581).

6636003121099 is a wasteful number, since it uses less digits than its factorization.

6636003121099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 197163.

The product of its (nonzero) digits is 314928, while the sum is 46.

The spelling of 6636003121099 in words is "six trillion, six hundred thirty-six billion, three million, one hundred twenty-one thousand, ninety-nine".